5R rifling is a style of rifled barrel that's characterized by five equally spaced lands and grooves. This layout is alleged to improve precision and consistency by lessening friction and muzzle jump. A big Element of the procedure is applying the ways referred to as the five Rs. They consist https://bms-277654.alltdesign.com/human-acetate-154947-66-7-free-base-fundamentals-explained-48065541